tánpàn / shí / duìfāng / shǐchū / le / bāguàzhèn / ràng / rén / mōbùzháo / tóunǎo

谈判时，对方使出了八卦阵，让人摸不着头脑。

During the negotiation, the other side used mystifying tactics, leaving people baffled.